CN109640468A - Street lamp control system, method, apparatus and equipment based on millimetre-wave radar - Google Patents
Street lamp control system, method, apparatus and equipment based on millimetre-wave radar Download PDFInfo
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- CN109640468A CN109640468A CN201811418571.1A CN201811418571A CN109640468A CN 109640468 A CN109640468 A CN 109640468A CN 201811418571 A CN201811418571 A CN 201811418571A CN 109640468 A CN109640468 A CN 109640468A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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Abstract
The present invention provides a kind of street lamp control system based on millimetre-wave radar, method, apparatus and equipment, system includes at least one Street lamps control group, Street lamps control group include a master control set, the radar being connect with master control set and at least one from control device.Master control set executes following steps: receiving the reflection signal of the object space of radar acquisition and is mixed with local oscillation signal, to obtain intermediate-freuqncy signal.The number K that intermediate-freuqncy signal peak value is more than the spectral line of range-amplitude display threshold value is obtained, peak value spectral line is denoted as.When judging that K is more than or equal to first threshold, the position of K peak value spectral line is recorded, and obtains the speed spectrum at peak value position of spectral line.It determines in K speed spectrum more than the number M of the peak value spectral line of speed amplitude threshold.It according to M, controls the corresponding street lamp of master control set and brightens or dimmed, and send control instruction to corresponding from control device, to brighten or dimmed via controlling corresponding street lamp from control device.The present invention realizes the self adaptive control to street lamp brightness.
Description
Technical field
The present invention relates to street lamp technology field more particularly to a kind of street lamp control system based on millimetre-wave radar, method,
Device and equipment.
Background technique
With the development of the times, the modernization construction in city is maked rapid progress, and city illumination is in city lighting engineering
Effect highlight, but bring gradually serious energy supply and demand contradiction.City street lamp illumination is people's daily life
In essential public infrastructure, the street lighting power consumption in city accounts for about the 15% of total power consumption, therefore, node section
Energy, the demand of green illumination are also more more and more urgent.Currently, street lamp is all made of night long bright operating mode, to guarantee public friendship
Logical safety, the brightness of street lighting is higher, however for most of section within the period at midnight to morning vehicle and row
Considerably less per capita, this undoubtedly causes great waste, therefore, can automatically detect vehicle and pedestrian to control street lighting
The wisdom street lamp of brightness becomes the solution of science.
Problem of the existing technology:
1, according to local time, that is, natural lighting information, the opening and closing of street lamp are accurately controlled.But it is this according to ring
Border information carries out the scheme of the opening and closing of street lamp, once opening, lamplight brightness remains unchanged street lamp.
2, according to people's information of vehicle flowrate of different sections of highway, Segmented timed controls street lamp brightness.But it is this in experience and
Under the premise of statistical law is effective, the scheme of the Time-sharing control street lamp brightness of implementation, this non adaptive control program can be deposited
The mistake classification of street lamp brightness is caused the case where real people's information of vehicle flowrate is not consistent with statistical law.
3, human body imaging and tracking are carried out to realize signal light control by infrared and laser radar.But this side
Case carries out street lamp brightness control mainly for people information, has ignored the street lamp brightness control of motor vehicles running section, and
Laser radar is affected by weather, its accuracy of judgement degree can sharply decline under atrocious weather.
Summary of the invention
The embodiment of the present invention provides a kind of street lamp control system based on millimetre-wave radar, method, apparatus and equipment.This hair
It is bright that influence of the bad weather to detection is reduced using millimetre-wave radar, it combines the stream of people and car flow information carries out accurate judgement,
To realize the self adaptive control to street lamp brightness.
In a first aspect, the embodiment of the present invention provides a kind of street lamp control system based on millimetre-wave radar, including at least one
A Street lamps control group, wherein the millimeter that each Street lamps control group includes a master control set, connect with the master control set
Wave radar and at least one from control device；Wherein, the master control set and each from control device for corresponding control street lamp；
The master control set includes memory, processor and storage executable code in the memory, described
Executable code can be executed by the processor, to realize following steps:
The reflection signal of the object space of millimetre-wave radar acquisition is received, and the reflection signal and local oscillation signal are carried out
Mixing, to obtain intermediate-freuqncy signal；Wherein, the local oscillation signal is that millimetre-wave radar is same from the moment generated and transmitting signal
The signal of frequency；
It obtains in the intermediate-freuqncy signal, peak value is more than the number K of the spectral line of preset range-amplitude display threshold value, and is denoted as peak value
Spectral line；
When judging that K is more than or equal to preset first threshold, position of the K peak value spectral line in intermediate-freuqncy signal is recorded, and
Successively obtain the speed spectrum at each peak value position of spectral line；
According to preset speed amplitude threshold, determine to be more than the speed amplitude threshold in the K speed spectrum obtained
The number M of the peak value spectral line of value；
According to the number M for the peak value spectral line for being more than the speed amplitude threshold, the corresponding street lamp of the master control set is controlled
It brightens or dimmed, and sends control instruction to corresponding from control device, to control corresponding street lamp from control device via described
It brightens or dimmed.
Further, the distance of two adjacent master control sets is D, and the adjacent distance from control device is d；Wherein, D is
The maximum monitoring distance of the millimetre-wave radar, d are the distance between two adjacent street lamps.
Further, the master control set further includes Internet of Things module, and the Internet of Things module is connected to the processor；
The control instruction is sent to described from control device by the master control set by the Internet of Things module.
Further, in each Street lamps control group, adjacent two from control device connection, adjacent master control set with from
Control device connection；
Then the basis is more than the number M of the peak value spectral line of speed amplitude threshold, controls the corresponding road of the master control set
Lamp brightens or dimmed, and sends control instruction to corresponding from control device, to control corresponding road from control device via described
Lamp brightens or dimmed, specifically:
When judging that the M is more than second threshold, controls the street lamp itself connecting with the master control set and brighten, while by
Its Internet of Things module is to the coupled control instruction for lightening street lamp from control device transmission, to control via described from control device
Corresponding street lamp brightens；After the control instruction for receiving master control set transmission from control device being connected with master control set,
By the control instruction be sent to it is described from control device be connected it is next from control device, with via it is described it is next from control device control
Corresponding street lamp is made to brighten；
When judging that the M is less than second threshold and duration t > D/vminWhen, it controls and the master control set itself
The street lamp of connection is dimmed, while dimming the control instruction of street lamp from its Internet of Things module to coupled send from control device,
Via described dimmed from the corresponding street lamp of control device control；When it is described be connected with master control set from control device receive master control
Device send control instruction after, by the control instruction be sent to it is described from control device be connected it is next from control device, with
Via described next dimmed from the corresponding street lamp of control device control；Wherein, D is radar monitoring distance, vminIt is monitored most for radar
Small speed.
Further, it obtaining in the intermediate-freuqncy signal, peak value is more than the number K of the spectral line of preset range-amplitude display threshold value,
And it is denoted as after peak value spectral line step, further includes:
When judge K be less than preset first threshold and duration t > D/vminWhen, control connects with the master control set itself
The street lamp connect is dimmed, while dimming the control instruction of street lamp from its Internet of Things module to coupled send from control device, with
Via described dimmed from the corresponding street lamp of control device control；When it is described be connected with master control set from control device receive master control dress
After setting the control instruction of transmission, by the control instruction be sent to it is described from control device be connected it is next from control device, with pass through
By described next dimmed from the corresponding street lamp of control device control.
Further, in each Street lamps control group, the master control set is connect with each described from control device；
Then the basis is more than the number M of the peak value spectral line of speed amplitude threshold, controls the corresponding road of the master control set
Lamp brightens or dimmed, and sends control instruction to corresponding from control device, to control corresponding road from control device via described
Lamp brightens or dimmed, specifically:
According to the M and its location information, control instruction is sent to corresponding with the location information from control device, with warp
By described corresponding street lamp is controlled from control device brightened or dimmed；Wherein, S sends control instruction to institute's rheme for master control set
Confidence ceases corresponding two street lamp distances, vmaxThe maximum speed monitored for radar；
After the location information is corresponding receives the control instruction that master control set is sent from control device, through t=S/vmax
Afterwards, the control instruction is sent to corresponding with the location information next from control device by the master control set, via institute
It states and next control corresponding street lamp from control device and brighten or dimmed.
Further, the millimetre-wave radar launches outward the transmitting signal of fixed frequency by transmitting antenna, by institute
The reflection signal can be generated by stating monitored object；Wherein, the monitored object includes people or vehicle.
Second aspect, the embodiment of the present invention provide a kind of method for controlling street lamps based on millimetre-wave radar, comprising: receive milli
The reflection signal of the object space of metre wave radar acquisition, and the reflection signal is mixed with local oscillation signal, in obtaining
Frequency signal；Wherein, the local oscillation signal is signal of the millimetre-wave radar from the moment generated and transmitting signal same frequency；
It obtains in the intermediate-freuqncy signal, peak value is more than the number K of the spectral line of preset range-amplitude display threshold value, and is denoted as peak value
Spectral line；
When judging that K is more than or equal to preset first threshold, position of the K peak value spectral line in intermediate-freuqncy signal is recorded, and
Successively obtain the speed spectrum at each peak value position of spectral line；
According to preset speed amplitude threshold, determine to be more than the speed amplitude threshold in the K speed spectrum obtained
The number M of the peak value spectral line of value；
According to the number M for the peak value spectral line for being more than the speed amplitude threshold, the corresponding street lamp of the master control set is controlled
It brightens or dimmed, and sends control instruction to corresponding from control device, to control corresponding street lamp from control device via described
It brightens or dimmed.
The third aspect, the embodiment of the present invention provide a kind of roam lamp control device based on millimetre-wave radar, comprising:
Receiving module, the reflection signal of the object space for receiving millimetre-wave radar acquisition, and by the reflection signal
It is mixed with local oscillation signal, to obtain intermediate-freuqncy signal；Wherein, the local oscillation signal be millimetre-wave radar from generate one when
Carve the signal with transmitting signal same frequency；
Module is obtained, for obtaining in the intermediate-freuqncy signal, peak value is more than of the spectral line of preset range-amplitude display threshold value
Number K, and it is denoted as peak value spectral line；
Judgment module, for when judging that K is more than or equal to preset first threshold, K peak value spectral line of record to be believed in intermediate frequency
Position in number, and successively obtain the speed spectrum at each peak value position of spectral line；
Determining module, for determining to be more than institute in the K speed spectrum obtained according to preset speed amplitude threshold
State the number M of the peak value spectral line of speed amplitude threshold；
Control module controls the master control dress for the number M according to the peak value spectral line for being more than the speed amplitude threshold
Set corresponding street lamp to brighten or dimmed, and send control instruction to corresponding from control device, with via described from control device control
Corresponding street lamp is made to brighten or dimmed.
Fourth aspect, the embodiment of the present invention provide a kind of control device of street lamp, including processor, memory and are stored in
In the memory and it is configured the computer program executed by the processing, when the processor executes the computer program
Realize the method for controlling street lamps based on millimetre-wave radar as described in the third aspect.
The implementation of the embodiments of the present invention has the following beneficial effects:
The one receipts CW with frequency modulation millimetre-wave radar of a hair that the present invention uses monitors whether the information such as someone and vehicle, passes through
The master control set being connected with millimetre-wave radar extracts information to radar received signal, is then believed according to wagon flow and the stream of people
Breath, can be with self adaptive control street lamp brightness, fast response time, precise and high efficiency.And radar monitoring signals are not by boisterous shadow
It rings, while can also control street lamp brightness variation according to the direction of travel of vehicle and pedestrian.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural representation for street lamp control system based on millimetre-wave radar that first embodiment of the invention provides
Figure.
Fig. 2 is a kind of actual scene application of street lamp control system based on millimetre-wave radar provided in an embodiment of the present invention
Structural schematic diagram
Fig. 3 is a kind of flow diagram of method for controlling street lamps based on millimetre-wave radar provided in an embodiment of the present invention.
Fig. 4 is a kind of structural representation for roam lamp control device based on millimetre-wave radar that third embodiment of the invention provides
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
First embodiment of the invention:
Referring to Fig. 1, first embodiment of the invention provides a kind of street lamp control system based on millimetre-wave radar, including at least
One Street lamps control group, wherein each Street lamps control group includes a master control set 1, connect with the master control set 1
Millimetre-wave radar 3 and at least one from control device 2；Wherein, the master control set 1 and each from control device 2 for corresponding to
Control street lamp.
In the present embodiment, the distance of two adjacent master control sets is D, and the adjacent distance from control device is d；Its
In, D is the maximum monitoring distance of the millimetre-wave radar, and d is the distance between two adjacent street lamps.Specifically, master control fills
It sets and from the mounting arrangement mode for controlling device: everyOne master control set of a street lamp installation, and every two
N number of street lamp between master control set respectively installs one from control device, whereinRepresent less than the maximum integer equal to D/d.
It is used in the wave millimetre-wave radar sensor that the present embodiment uses: FMCW radar sensor: if to measure one
Parameter [distance], such as the distance of stationary body to sensor, then selecting linear uphill slope or descending grade as the time of tranmitting frequency
Correlation function is sufficient, and repeats at periodic or other desired these slopes, is desirably to obtain possible average value.According to the calculation formula of delay effect
The distance of available object.The millimetre-wave radar receives CW with frequency modulation millimetre-wave radar using a hair one, uses millimeter wave
(millimeter wave) typically refers to the millimeter wave of 30~300GHz frequency domain (wavelength is 1~10mm), and the millimeter wave is one
Electromagnetic wave of the kind between infrared waves and microwave frequency band.
In the present embodiment, the master control set 1 further includes Internet of Things module (not shown go out), the Internet of Things module with
The processor connection；The control instruction is sent to described from control dress by the master control set 1 by the Internet of Things module
Set 2.It should be noted that described in the present embodiment including Internet of Things module, memory, processor and deposit from control device 2
The executable code of storage in the memory.
Referring to fig. 2, in the present embodiment, the master control set 1 including memory, processor and is stored in the storage
Executable code in device, the executable code can be executed by the processor, to realize following steps:
S10 receives the reflection signal of the object space of millimetre-wave radar acquisition, and reflection signal is carried out with local oscillation signal
Mixing, to obtain intermediate-freuqncy signal；Wherein, local oscillation signal is millimetre-wave radar from the moment generated and emits signal same frequency
Signal.
In the present embodiment, the connection of the millimetre-wave radar and master control set 1 is mounted on the corresponding road of the master control set 1
On lamp, millimetre-wave radar launches outward CW with frequency modulation referred to herein as transmitting signal by transmitting antenna, is transmitted to tested mesh
Target electromagnetic wave can generate reflection signal, which is received by the receiving antenna of millimetre-wave radar is known as receiving signal
(or echo-signal, reflection signal), hence into the follow-up signal processing circuit being connected with millimetre-wave radar.
In the present embodiment, mixing work is completed by the frequency mixer of circuit, the multiplier of really one signal, i.e., to mixed
The two paths of signals of two input terminals of frequency device carries out multiplication operation, this two paths of signals is the reflection signal that radar receives respectively, with
And local oscillation signal.Wherein, local oscillation signal refers to the moment and transmitting signal same frequency that millimetre-wave radar circuit oneself generates
Signal, generated by local oscillator.
S20 is obtained in intermediate-freuqncy signal, and peak value is more than the number K of the spectral line of preset range-amplitude display threshold value, and is denoted as peak value
Spectral line.
S30 records position of the K peak value spectral line in intermediate-freuqncy signal when judging that K is more than or equal to preset first threshold
It sets, and successively obtains the speed spectrum at each peak value position of spectral line.
S40 determines to be more than speed amplitude threshold in the K speed spectrum obtained according to preset speed amplitude threshold
The number M of the peak value spectral line of value.
In the present embodiment, master control set according to intermediate-freuqncy signal obtain the signal apart from frequency spectrum, and according to it is preset away from
From amplitude threshold AD, determine to be more than range-amplitude display threshold value ADK peak value spectral line.If K is more than or equal to preset first threshold,
Record the position p of the K peak value spectral line1,…,pK.Master control set successively obtains peak value position of spectral line piCorresponding speed spectrum
SVi, wherein 1≤i≤K.According to preset speed amplitude threshold value AV, determining has M speed spectrum tool in above-mentioned K speed spectrum
Have more than AVPeak value spectral line.
S50, according to the number M for the peak value spectral line for being more than speed amplitude threshold, the control corresponding street lamp of master control set brightens
Or it is dimmed, and send control instruction to corresponding from control device, with via from control device control corresponding street lamp brighten or
It is dimmed.
In the present embodiment, when judge K be less than preset first threshold and duration t > D/vminWhen, control with it is described
The street lamp of master control set itself connection is dimmed, while dimming street lamp from control device transmission from its Internet of Things module to coupled
Control instruction, with from control device to control corresponding street lamp dimmed via described；When it is described be connected with master control set from control fill
Set receive master control set transmission control instruction after, by the control instruction be sent to it is described from control device be connected it is next
From control device, via described next dimmed from the corresponding street lamp of control device control.
In the present embodiment, in each Street lamps control group, adjacent two connect from control device, adjacent master control set
It is connect with from control device, then the basis is more than the number M of the peak value spectral line of speed amplitude threshold, controls the master control set phase
The street lamp answered brightens or dimmed, and sends control instruction to corresponding from control device, to control phase from control device via described
The street lamp answered brightens or dimmed, specifically:
When judging that the M is more than second threshold, controls the street lamp itself connecting with the master control set and brighten, while by
Its Internet of Things module is to the coupled control instruction for lightening street lamp from control device transmission, to control via described from control device
Corresponding street lamp brightens；After the control instruction for receiving master control set transmission from control device being connected with master control set,
By the control instruction be sent to it is described from control device be connected it is next from control device, with via it is described it is next from control device control
Corresponding street lamp is made to brighten；
When judging that the M is less than second threshold and duration t > D/vminWhen, it controls and the master control set itself
The street lamp of connection is dimmed, while dimming the control instruction of street lamp from its Internet of Things module to coupled send from control device,
Via described dimmed from the corresponding street lamp of control device control；When it is described be connected with master control set from control device receive master control
Device send control instruction after, by the control instruction be sent to it is described from control device be connected it is next from control device, with
Via described next dimmed from the corresponding street lamp of control device control；Wherein, D is radar monitoring distance, vminIt is monitored most for radar
Small speed.
Preferably, the millimetre-wave radar launches outward the transmitting signal of fixed frequency by transmitting antenna, by described
Monitored object can generate the reflection signal；Wherein, the monitored object includes people or vehicle.
In the present embodiment, Internet of Things communication module can be for example by internet (including cloud service), Bluetooth communication, close
Field communication (Near Flied Communication, FFC) or Wireless Fidelity (Wireless Fidelity, WIFI) communication
Etc. modes radio connecting in the associated user terminal of CW with frequency modulation millimetre-wave radar, user terminal passes through smart phone, individual
Digital assistants (Personal Digital Assistant, PAD), personal digital assistant phone, tablet computer and PC machine are real
Monitoring is applied by guardianship situation.
The one receipts CW with frequency modulation millimetre-wave radar of a hair that the present invention uses monitors whether the information such as someone and vehicle, passes through
The master control set being connected with millimetre-wave radar extracts information to radar received signal, is then believed according to wagon flow and the stream of people
Breath, can be with self adaptive control street lamp brightness, fast response time, precise and high efficiency.And radar monitoring signals are not by boisterous shadow
It rings, while can also control street lamp brightness variation according to the direction of travel of vehicle and pedestrian.At the same time, Street lamps control group further includes
At least one being connect with the master control set from control device, it is described from control device according to receive master control set or upper one from
The control instruction of control device controls the brightness regulation of corresponding street lamp, can reduce cost, and installation is simple.
On the basis of first embodiment of the invention, in a preferred embodiment of the present invention, in each Street lamps control group
Interior, the master control set is connect with each described from control device；
Then the basis is more than the number M of the peak value spectral line of speed amplitude threshold, controls the corresponding road of the master control set
Lamp brightens or dimmed, and sends control instruction to corresponding from control device, to control corresponding road from control device via described
Lamp brightens or dimmed, specifically:
According to the M and its location information, control instruction is sent to corresponding with the location information from control device, with warp
By described corresponding street lamp is controlled from control device brightened or dimmed；Wherein, S sends control instruction to institute's rheme for master control set
Confidence ceases corresponding two street lamp distances, vmaxThe maximum speed monitored for radar；
After the location information is corresponding receives the control instruction that master control set is sent from control device, through t=S/vmax
Afterwards, the control instruction is sent to corresponding with the location information next from control device by the master control set, via institute
It states and next control corresponding street lamp from control device and brighten or dimmed.
The present invention by master control set send in control instruction to corresponding street lamp from control device, and according to master control set with
Control instruction is sent to the corresponding distance from control device and by vehicle or the maximum speed of people, calculate corresponding vehicle or
Person people passes through the time of the street lamp, so that the control instruction is retransmited extremely from control device according to the delay time, so that
The bright dark of corresponding street lamp is controlled from control device according to the control instruction.
Referring to fig. 2, in order to facilitate the understanding of the present invention, below by the example to the practical application in application scenarios into
Row explanation:
When the maximum detection range for setting the millimetre-wave radar is D=150m, the interval d=between every two street lamp
75m then needs the millimetre-wave radar installing a master control set every a street lamp and connecting with master control set, every master control
Device connects one from control device.When master control set connection millimetre-wave radar detect that vehicle is close with the speed of 30m/s,
Street lamp where then being controlled by master control set brightens, while passing through Internet of Things module to the control for lightening street lamp from control device transmission
Information, and minimum speed v is updated according to the speed of the vehicle detectedmin=30m.Master control set is received from control device to send
Control information after, content according to the control information lightens place street lamp.The close master control set of vehicle is not detected in other
The radar of connection, where street lamp and it is coupled from control device where street lamp keep darker state.Work as master control
When device does not find that the time of any vehicle and pedestrian continues 5s in its detection range, master control set controls the street lamp where it
It is dimmed, while dimming the control information of street lamp to coupled send from control device, and by minimum speed vminIt is restored to initial
Value.And after receiving the control information that master control set is sent from control device, content according to the control information is by the street lamp tune where it
Secretly.
Second embodiment of the invention:
Referring to Fig. 3, second embodiment of the invention provides a kind of method for controlling street lamps based on millimetre-wave radar, comprising:
S10, receives the reflection signal of the object space of millimetre-wave radar acquisition, and will, reflect signal and local oscillation signal into
Row mixing, to obtain intermediate-freuqncy signal；Wherein, local oscillation signal is millimetre-wave radar from the moment generated and emits signal with frequency
The signal of rate.
S20 is obtained in intermediate-freuqncy signal, and peak value is more than the number K of the spectral line of preset range-amplitude display threshold value, and is denoted as peak value
Spectral line.
S30 records position of the K peak value spectral line in intermediate-freuqncy signal when judging that K is more than or equal to preset first threshold
It sets, and successively obtains the speed spectrum at each peak value position of spectral line.
S40 determines to be more than speed amplitude threshold in the K speed spectrum obtained according to preset speed amplitude threshold
The number M of the peak value spectral line of value.
S50, according to the number M for the peak value spectral line for being more than speed amplitude threshold, the control corresponding street lamp of master control set brightens
Or it is dimmed, and send control instruction to corresponding from control device, with via from control device control corresponding street lamp brighten or
It is dimmed.
Third embodiment of the invention:
Referring to fig. 2, third embodiment of the invention provides a kind of roam lamp control device based on millimetre-wave radar, comprising:
Receiving module 10, the reflection signal of the object space for receiving millimetre-wave radar acquisition, and the reflection is believed
It number is mixed with local oscillation signal, to obtain intermediate-freuqncy signal；Wherein, the local oscillation signal is millimetre-wave radar one from generation
The signal at moment and transmitting signal same frequency；
Module 20 is obtained, for obtaining in the intermediate-freuqncy signal, peak value is more than the spectral line of preset range-amplitude display threshold value
Number K, and it is denoted as peak value spectral line；
Judgment module 30, for when judging that K is more than or equal to preset first threshold, recording K peak value spectral line in intermediate frequency
Position in signal, and successively obtain the speed spectrum at each peak value position of spectral line；
Determining module 40 is used for according to preset speed amplitude threshold, is more than in the determining K speed spectrum obtained
The number M of the peak value spectral line of the speed amplitude threshold；
Control module 50 controls the master control for the number M according to the peak value spectral line for being more than the speed amplitude threshold
The corresponding street lamp of device brightens or dimmed, and sends control instruction to corresponding from control device, with via described from control device
Corresponding street lamp is controlled to brighten or dimmed.
Fourth embodiment of the invention provides a kind of control device of street lamp, including processor, memory and is stored in described
In memory and it is configured the computer program executed by the processing, the processor is realized when executing the computer program
The method for controlling street lamps based on millimetre-wave radar as described in the third aspect.
It should be noted that disclosed in the present embodiment master control set and from control device each module can by hardware realization,
Master control set and example from control device can be processor based on X86, reduced instruction set computing (RISC) processor, specially
(CISC) processor, central processing unit (CPU), display is calculated with integrated circuit (ASIC) processor, compound instruction collection to refer to parallel
Other processors for calculating (EPIC) processor, very long instruction word (VLIW) processor and/or circuit are enabled, details are not described herein.
In the present embodiment, alleged processor can be central processing unit (Central Processing Unit,
CPU), it can also be other general processors, digital signal processor (Digital Signal Processor, DSP), dedicated
Integrated circuit (APPlication Specific Integrated Circuit, ASIC), ready-made programmable gate array
(Field-Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor are patrolled
Collect device, discrete hardware components etc..General processor can be microprocessor or the processor be also possible to it is any conventional
Processor etc., the processor are the method for controlling street lamps control centres based on millimetre-wave radar, utilize various interfaces
With a kind of entire various pieces for realizing method for controlling street lamps based on millimetre-wave radar of connection.
The memory can be used for storing the computer program and/or module, and the processor is by operation or executes
Computer program in the memory and/or module are stored, and calls the data being stored in memory, realization is based on
The various functions of the method for controlling street lamps of millimetre-wave radar.The memory can mainly include storing program area and storing data
Area, wherein storing program area can application program needed for storage program area, at least one function (such as sound-playing function,
Text conversion function etc.) etc.；Storage data area, which can be stored, uses created data (such as audio data, text according to mobile phone
Word message data etc.) etc..In addition, memory may include high-speed random access memory, it can also include non-volatile memories
Device, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other volatibility are solid
State memory device.
Wherein, if the module for realizing service equipment is realized in the form of SFU software functional unit and as independent production
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, the present invention realizes
All or part of the process in above-described embodiment method can also instruct relevant hardware to complete by computer program,
The computer program can be stored in a computer readable storage medium, which is being executed by processor
When, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer program code, described
Computer program code can be source code form, object identification code form, executable file or certain intermediate forms etc..The meter
Calculation machine readable medium may include: can carry the computer program code any entity or device, recording medium, USB flash disk,
Mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It needs to illustrate
It is that the content that the computer-readable medium includes can be fitted according to the requirement made laws in jurisdiction with patent practice
When increase and decrease, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium does not include electric carrier wave letter
Number and telecommunication signal.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relationship between module indicate between them have communication connection, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can understand
And implement.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of street lamp control system based on millimetre-wave radar, which is characterized in that including at least one Street lamps control group,
In, each Street lamps control group includes a master control set, the millimetre-wave radar connecting with the master control set and at least
One from control device；Wherein, the master control set and each from control device for corresponding control street lamp；
The master control set includes memory, processor and storage executable code in the memory, described to hold
Line code can be executed by the processor, to realize following steps:
The reflection signal of the object space of millimetre-wave radar acquisition is received, and the reflection signal is mixed with local oscillation signal
Frequently, to obtain intermediate-freuqncy signal；Wherein, the local oscillation signal is millimetre-wave radar from the moment generated and emits signal with frequency
The signal of rate；
It obtains in the intermediate-freuqncy signal, peak value is more than the number K of the spectral line of preset range-amplitude display threshold value, and is denoted as peak value spectrum
Line；
When judging that K is more than or equal to preset first threshold, position of the K peak value spectral line in intermediate-freuqncy signal is recorded, and successively
Obtain the speed spectrum at each peak value position of spectral line；
According to preset speed amplitude threshold, determine to be more than the speed amplitude threshold in the K speed spectrum obtained
The number M of peak value spectral line；
According to the number M for the peak value spectral line for being more than the speed amplitude threshold, controls the corresponding street lamp of the master control set and brighten
Or it is dimmed, and control instruction is sent to corresponding from control device, to brighten via described from the corresponding street lamp of control device control
Or it is dimmed.
2. the street lamp control system according to claim 1 based on millimetre-wave radar, which is characterized in that two adjacent masters
The distance for controlling device is D, and the adjacent distance from control device is d；Wherein, D is the maximum monitoring distance of the millimetre-wave radar,
D is the distance between two adjacent street lamps.
3. the street lamp control system according to claim 1 based on millimetre-wave radar, which is characterized in that the master control set
It further include Internet of Things module, the Internet of Things module is connected to the processor；The master control set passes through the Internet of Things mould
The control instruction is sent to described from control device by block.
4. the street lamp control system according to claim 1 based on millimetre-wave radar, which is characterized in that in each street lamp control
In processed group, adjacent two are connect from control device connection, adjacent master control set with from control device；
Then the basis is more than the number M of the peak value spectral line of speed amplitude threshold, controls the corresponding street lamp of the master control set and becomes
It is bright or dimmed, and control instruction is sent to corresponding from control device, to control corresponding street lamp change from control device via described
It is bright or dimmed, specifically:
When judging that the M is more than second threshold, controls the street lamp itself connecting with the master control set and brighten, while by its object
Networking module is to the coupled control instruction for lightening street lamp from control device transmission, via described corresponding from control device control
Street lamp brighten；After the control instruction for receiving master control set transmission from control device being connected with master control set, by institute
State control instruction be sent to it is described from control device be connected it is next from control device, with via it is described it is next from control device control phase
The street lamp answered brightens；
When judging that the M is less than second threshold and duration t > D/vminWhen, control itself is connect with the master control set
Street lamp it is dimmed, while the control instruction of street lamp is dimmed from its Internet of Things module to coupled send from control device, with warp
By described dimmed from the corresponding street lamp of control device control；When it is described be connected with master control set from control device receive master control set
After the control instruction of transmission, by the control instruction be sent to it is described from control device be connected it is next from control device, with via
It is described next dimmed from the corresponding street lamp of control device control；Wherein, D is radar monitoring distance, vminMinimum speed is monitored for radar
Degree.
5. the street lamp control system according to claim 1 based on millimetre-wave radar, which is characterized in that
It obtains in the intermediate-freuqncy signal, peak value is more than the number K of the spectral line of preset range-amplitude display threshold value, and is denoted as peak value spectral line
After step, further includes:
When judge K be less than preset first threshold and duration t > D/vminWhen, what control itself was connect with the master control set
Street lamp is dimmed, while dimming the control instruction of street lamp from its Internet of Things module to coupled send from control device, with via
It is described dimmed from the corresponding street lamp of control device control；When it is described be connected with master control set from control device receive master control set hair
After the control instruction sent, by the control instruction be sent to it is described from control device be connected it is next from control device, via institute
It states next dimmed from the corresponding street lamp of control device control.
6. the street lamp control system according to claim 1 based on millimetre-wave radar, which is characterized in that in each street lamp control
In processed group, the master control set is connect with each described from control device；
Then the basis is more than the number M of the peak value spectral line of speed amplitude threshold, controls the corresponding street lamp of the master control set and becomes
It is bright or dimmed, and control instruction is sent to corresponding from control device, to control corresponding street lamp change from control device via described
It is bright or dimmed, specifically:
According to the M and its location information, control instruction is sent to corresponding with the location information from control device, via institute
It states and controls corresponding street lamp from control device and brighten or dimmed；Wherein, S is that master control set transmission control instruction to the position is believed
Cease corresponding two street lamp distances, vmaxThe maximum speed monitored for radar；
After the location information is corresponding receives the control instruction that master control set is sent from control device, through t=S/vmaxAfterwards,
The master control set control instruction is sent to it is corresponding with the location information next from control device, via under described
One, which controls corresponding street lamp from control device, brightens or dimmed.
7. as described in claim 1 based on the street lamp control system of millimetre-wave radar, which is characterized in that the millimetre-wave radar
The transmitting signal that fixed frequency is launched outward by transmitting antenna can generate the reflection signal by the monitored object；
Wherein, the monitored object includes people or vehicle.
8. a kind of method for controlling street lamps based on millimetre-wave radar, which is characterized in that
The reflection signal of the object space of millimetre-wave radar acquisition is received, and the reflection signal is mixed with local oscillation signal
Frequently, to obtain intermediate-freuqncy signal；Wherein, the local oscillation signal is millimetre-wave radar from the moment generated and emits signal with frequency
The signal of rate；
It obtains in the intermediate-freuqncy signal, peak value is more than the number K of the spectral line of preset range-amplitude display threshold value, and is denoted as peak value spectrum
Line；
When judging that K is more than or equal to preset first threshold, position of the K peak value spectral line in intermediate-freuqncy signal is recorded, and successively
Obtain the speed spectrum at each peak value position of spectral line；
According to preset speed amplitude threshold, determine to be more than the speed amplitude threshold in the K speed spectrum obtained
The number M of peak value spectral line；
According to the number M for the peak value spectral line for being more than the speed amplitude threshold, controls the corresponding street lamp of the master control set and brighten
Or it is dimmed, and control instruction is sent to corresponding from control device, to brighten via described from the corresponding street lamp of control device control
Or it is dimmed.
9. a kind of roam lamp control device based on millimetre-wave radar, which is characterized in that
Receiving module, the reflection signal of the object space for receiving millimetre-wave radar acquisition, and by the reflection signal and originally
Vibration signal is mixed, to obtain intermediate-freuqncy signal；Wherein, the local oscillation signal be millimetre-wave radar from generate a moment with
Emit the signal of signal same frequency；
Module is obtained, for obtaining in the intermediate-freuqncy signal, peak value is more than the number K of the spectral line of preset range-amplitude display threshold value,
And it is denoted as peak value spectral line；
Judgment module, for when judging that K is more than or equal to preset first threshold, recording K peak value spectral line in intermediate-freuqncy signal
Position, and successively obtain the speed spectrum at each peak value position of spectral line；
Determining module, for determining to be more than the speed in the K speed spectrum obtained according to preset speed amplitude threshold
Spend the number M of the peak value spectral line of amplitude threshold；
Control module controls the master control set phase for the number M according to the peak value spectral line for being more than the speed amplitude threshold
The street lamp answered brightens or dimmed, and sends control instruction to corresponding from control device, to control phase from control device via described
The street lamp answered brightens or dimmed.
10. a kind of control device of street lamp, which is characterized in that including processor, memory and storage in the memory and
It is configured the computer program executed by the processing, the processor realizes such as claim when executing the computer program
Based on the method for controlling street lamps of millimetre-wave radar described in 8.
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| CN201811418571.1A CN109640468B (en) | 2018-11-26 | 2018-11-26 | Street lamp control system, method, apparatus and equipment based on millimetre-wave radar |
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| CN109640468B (en) | 2019-11-15 |
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